3rd-Eden/node-memcached — pull request #172 by icecubed (2014-01-09 12:47:50+00:00)
Title: Update README.md

From the memcached Protocol text
https://github.com/memcached/memcached/blob/master/doc/protocol.txt

"add" means "store this data, but only if the server *doesn't* already hold data for this key".